77405 ÷ 9 = 8600 R5
Let's divide 77405 by 9.

Step 1:
9 goes into 7 0 times with a remainder of 7.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 7 to get 7.
Bring next digit (7) of the dividend behind the 7 and repeat the process: 77 / 9

Step 2:
9 goes into 77 8 times with a remainder of 5.
Write down 8 as next digit of of the result. 
Result so far: 8
Subtract 72 from 77 to get 5.
Bring next digit (4) of the dividend behind the 5 and repeat the process: 54 / 9

Step 3:
9 goes into 54 6 times with a remainder of 0.
Write down 6 as next digit of of the result. 
Result so far: 86
Subtract 54 from 54 to get 0.
Bring next digit (0) of the dividend behind the 0 and repeat the process: 0 / 9

Step 4:
9 goes into 0 0 times with a remainder of 0.
Write down 0 as next digit of of the result. 
Result so far: 860
Subtract 0 from 0 to get 0.
Bring next digit (5) of the dividend behind the 0 and repeat the process: 5 / 9

Step 5:
9 goes into 5 0 times with a remainder of 5.
Write down 0 as next digit of of the result. 
Result so far: 8600
Subtract 0 from 5 to get 5.

The final result is 8600 with a remainder of 5.